It's a shame there aren't more games with free engines and paid assets. Even Stallman approves of this model[1]: We don't take the position that artistic or

It's a shame there aren't more games with free engines and paid assets. Even Stallman approves of this model[1]: We don't take the position that artistic or entertainment works must be free, but if you want to make one free, we recommend the Free Art License. [1] https://www.gnu.org/licenses/licenses.html#OtherWorks https://www.gnu.org/licenses/licenses.html#OtherWorks